/ Dictionary / Index P POSSLQ: Meaning and Definition of Find definitions for: POSSLQ Pronunciation: (pos'ul-ky"), [key] — pl. POSSLQs, POSSLQ's. either of two persons, one of each sex, who share living quarters but are not related by blood, marriage, or adoption: a categorization used by the U.S. Census Bureau. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. possie possum Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language